They have broken the regular grammar rules, and have an active effect in special contexts.
它们突破了正常的语法结构规则，在特定语境中产生积极的表达效果。
The paper describes symbolic structure of word of program language with regular grammar and regular expression, constructs converted-state chart to identify word symbol.
用正规文法和正规表达式描述了程序语言的单词符号的结构，用状态转换图构造了识别单词符号。
If you discover or invent some slightly new variant of the language, it is a lot easier to play with the EBNF grammar than with those regular expressions.
如果您发现或发明了该语言的某种经过微小更新的变体，将它和ebnf语法一起使用要比和那些正则表达式一起使用简单得多。
Other Perl 6 regular expression and grammar tidbits.
其他Perl6正则表达式和语法花絮。
A regular expression is similar (and in fact suffices for this particular grammar production).
正则表达式与此相似(并且事实上它能够满足这种特定语法产品的需要)。
How to test if grammar is regular (using a library or a framework)?
如何测试如果语法规则(使用库或框架)？
The study of properties ofregular sets is useful to grammar inference and syntax analyses for finite-state grammars such that regular languages can be recognized automatically.
正规集是对许多语言理论起核心作用的一类语言，研究正规集的性质有助于有限态文法的文法推断和句法分析的研究以及正规集的自动识别。
The study of properties ofregular sets is useful to grammar inference and syntax analyses for finite-state grammars such that regular languages can be recognized automatically.
正规集是对许多语言理论起核心作用的一类语言，研究正规集的性质有助于有限态文法的文法推断和句法分析的研究以及正规集的自动识别。
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